CVE-2002-0028: Buffer overflow in ICQ before 2001B Beta v5.18 Build #3659 allows remote attackers to execute arbitrary code v

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HIGH 7.5DOWNGRADE

CVE-2002-0028 is a high-severity flaw (CVSS 7.5) affecting icq. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in ICQ before 2001B Beta v5.18 Build #3659 allows remote attackers to execute arbitrary code via a Voice Video & Games request.

Why this priority

High severity
EPSS top 7%: very likely to be exploited

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	5.3% (top 7%)
CISA exploited list	No
Published	2002-02-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mirabilis

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2002-02-27 05:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

mirabilis icq DOWNGRADE

Affected: 2000.0a · 2000.0b_build3278 · 2001a · 2001b_build3636 · 2001b_build3638

Fixed in: no fixed release known

Safe to downgrade to: a release before 2000.0a

1. Check installed version

apt-cache policy icq || rpm -q icq || icq --version

2. No fixed release: DOWNGRADE to a release before 2000.0a (Debian / Ubuntu)

apt-cache madison icq sudo apt install icq=<VERSION_BEFORE_2000.0a> sudo apt-mark hold icq

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list icq sudo dnf downgrade icq-<VERSION_BEFORE_2000.0a> sudo dnf versionlock add icq

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2002-0028?

icq: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0028 being exploited?

CVE-2002-0028 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2002-0028 affect?

CVE-2002-0028 affects icq. Severity is high (CVSS 7.5). Buffer overflow in ICQ before 2001B Beta v5.18 Build #3659 allows remote attackers to execute arbitrary code via a Voice Video & Games request.

How urgent is CVE-2002-0028?

Priority 49/100. High severity; EPSS top 7%: very likely to be exploited

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References

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